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| author | Arya-Elfren <[email protected]> | 2023-04-26 22:07:20 +0100 |
|---|---|---|
| committer | GitHub <[email protected]> | 2023-04-26 22:07:20 +0100 |
| commit | 116546a996a12a2e68a68ddf7926d2b4e708c52c (patch) | |
| tree | 988deba83ad71ea2aecfc62e1eb243907ef86deb | |
| parent | f83fe12dce1356ff7d3324de2a1798a71ed55f14 (diff) | |
| download | ziglings-116546a996a12a2e68a68ddf7926d2b4e708c52c.tar.xz ziglings-116546a996a12a2e68a68ddf7926d2b4e708c52c.zip | |
Clarify `f16` maths - closes #204
| -rw-r--r-- | exercises/060_floats.zig | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/exercises/060_floats.zig b/exercises/060_floats.zig index 8ba51db..0ebd7a2 100644 --- a/exercises/060_floats.zig +++ b/exercises/060_floats.zig @@ -1,7 +1,8 @@ // // Zig has support for IEEE-754 floating-point numbers in these // specific sizes: f16, f32, f64, f80, and f128. Floating point -// literals may be written in scientific notation: +// literals may be written in the same ways as integers but also +// in scientific notation: // // const a1: f32 = 1200.0; // 1,200 // const a2: f32 = 1.2e+3; // 1,200 @@ -26,7 +27,10 @@ // operations with numeric literals, ensure the types match. Zig // does not perform unsafe type coercions behind your back: // -// var foo: f16 = 13.5 * 5; // ERROR! +// fn foo(bar: u16) f16 { return 13.5 * bar; } // ERROR! +// var foo: f16 = 13.5 * @as(u8, 5); // ERROR! +// var foo: f16 = 13.5 * 5; // This is a safe compile-time +// // conversion, so no problem! // var foo: f16 = 13.5 * 5.0; // No problem, both are floats // // Please fix the two float problems with this program and |